205303053423445 has 8 divisors (see below), whose sum is σ = 248244302766240. Its totient is φ = 162988683633360.

The previous prime is 205303053423437. The next prime is 205303053423499. The reversal of 205303053423445 is 544324350303502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205303053423445 - 2³ = 205303053423437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156719887455 + ... + 156719888764.

It is an arithmetic number, because the mean of its divisors is an integer number (31030537845780).

Almost surely, 2^{205303053423445} is an apocalyptic number.

It is an amenable number.

205303053423445 is a deficient number, since it is larger than the sum of its proper divisors (42941249342795).

205303053423445 is a wasteful number, since it uses less digits than its factorization.

205303053423445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313439776355.

The product of its (nonzero) digits is 2592000, while the sum is 43.

The spelling of 205303053423445 in words is "two hundred five trillion, three hundred three billion, fifty-three million, four hundred twenty-three thousand, four hundred forty-five".